YOU SAID:

you know we had to do it to them

INTO JAPANESE

我々 は彼らにそれを行うにいた知っています。

BACK INTO ENGLISH

We do it to them to know was.

INTO JAPANESE

我々 はそれを行うには知っています。

BACK INTO ENGLISH

We have to do it.

INTO JAPANESE

絶対にです

BACK INTO ENGLISH

We have to do it.